{if $channel_category}
<div class="box">
        <div class="hd">栏目导航</div>
        <div class="category_list">
                {foreach from=$channel_category item=first}
                        <a href="{$first.url}" class="big">{$first.name}</a>
                        {foreach from=$first.children item=second}
                                <a href="{$second.url}" class="small" {if $smarty.request.category_id==$second.id}style="font-weight:bold;color:red"{/if}>{$second.name}</a>
                        {/foreach}
                {/foreach}
        </div>
</div>
{/if}